Fan



FIG. 1 is a perspective view of a fan, according to the presentinvention;

FIG. 2 is a right side view of the fan;

FIG. 3 is a back view of the fan;

FIG. 4 is a top view of the fan;

FIG. 5 is a front view of the fan;

FIG. 6 is a bottom view of the fan; and,

FIG. 7 is a left view of the fan.

The broken line showing of the fan blades and housing is included forthe purpose of illustrating environmental structure and forms no part ofthe claimed design.

We claim the ornamental design for a fan, as shown and described.